Function Setting Indoor Unit Without Integrated Water Tank; Introduction; Plant Water Management - TESY MultiThermica User's And Installer's Manual

INDOOR UNIT WITHOUT INTEGRATED WATER TANK
4�1 Introduction
The unit is designed to provide:
• water to plant for heating or cooling the rooms
• domestic hot water
If necessary, it is possible to support the heat output generated by the appliance with auxiliary heating systems (backup),
which may be:
• heating elements available as accessories and mounted inside the unit from the factory
• combustion heaters (boilers)
The appliance has functions that allow the operation to be set to suit the type of plant on which it has been installed.
The settings and function management is done through:
• the control panel display
4�2 Plant water management
The following plant types are provided:
• plant with direct delivery and buffer tank
• plant with hydraulic separator and secondary pump
• plant with direct delivery
According to the plant type and the required control type, the plant water temperature can be controlled through:
PT6: heat pump input probe (default setting). To be used in case of a plant with direct flow and presence of buffer storage on
the return line, when the stability of the heat pump operation is preferred.
PT1: plant probe. To be used in the case of a plant with a hydraulic separator and secondary pump, it guarantees the stability
of both heat pump operation and water temperature for the consumers.
PT5: heat pump delivery line probe. To be used in case of a plant with direct delivery when guaranteeing the stability of the
water temperature for the consumers is necessary.
FUnCTIon SETTInG InDooR UnIT WITHoUT InTEGRA TED WA TER T AnK
FUNCTION SETTING
INDOOR UNIT WITHOUT INTEGRATED WATER TANK
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